Home / 3,426.28-4,724.88-2,761

Finding the Fourth Proportional to 3,426.28, 4,724.88 and 2,761

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Solution

The fourth proportional to 3,426.28, 4,724.88 and 2,761 is: 3,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.28 : 4,724.88 = 2,761 : x
  2. Step 2: Convert to fraction form
    3,426.28/4,724.88 = 2,761/x
  3. Step 3: Cross multiply
    3,426.28x = 4,724.88 × 2,761
  4. Step 4: Simplify right side
    3,426.28x = 13,045,393.68
  5. Step 5: Solve for x
    x = 13,045,393.68/3,426.28
  6. Step 6: Final answer
    x = 3,807.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.